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<a name="1" href="#1">1</a>   <strong class="jxr_keyword">package</strong> org.apache.maven.plugin.deltacoverage.scm;
<a name="2" href="#2">2</a>   
<a name="3" href="#3">3</a>   <strong class="jxr_keyword">import</strong> java.io.File;
<a name="4" href="#4">4</a>   <strong class="jxr_keyword">import</strong> java.io.InputStreamReader;
<a name="5" href="#5">5</a>   <strong class="jxr_keyword">import</strong> java.io.LineNumberReader;
<a name="6" href="#6">6</a>   <strong class="jxr_keyword">import</strong> java.util.ArrayList;
<a name="7" href="#7">7</a>   <strong class="jxr_keyword">import</strong> java.util.HashMap;
<a name="8" href="#8">8</a>   <strong class="jxr_keyword">import</strong> java.util.List;
<a name="9" href="#9">9</a>   <strong class="jxr_keyword">import</strong> java.util.Map;
<a name="10" href="#10">10</a>  
<a name="11" href="#11">11</a>  <strong class="jxr_keyword">import</strong> org.apache.maven.plugin.deltacoverage.change.ChangeType;
<a name="12" href="#12">12</a>  <strong class="jxr_keyword">import</strong> org.apache.maven.plugin.deltacoverage.change.ClassChange;
<a name="13" href="#13">13</a>  <strong class="jxr_keyword">import</strong> org.apache.maven.plugin.deltacoverage.change.LineChange;
<a name="14" href="#14">14</a>  <strong class="jxr_keyword">import</strong> org.apache.maven.plugin.deltacoverage.util.ProcessExecutor;
<a name="15" href="#15">15</a>  <strong class="jxr_keyword">import</strong> org.apache.maven.plugin.logging.Log;
<a name="16" href="#16">16</a>  
<a name="17" href="#17">17</a>  
<a name="18" href="#18">18</a>  <em class="jxr_javadoccomment">/**</em>
<a name="19" href="#19">19</a>  <em class="jxr_javadoccomment"> * Implements the {@link SCMExecutor} interface for CVS version control system.</em>
<a name="20" href="#20">20</a>  <em class="jxr_javadoccomment"> * Extends {@link AbstractSCMExecutor} class to implement SCM specific methods.</em>
<a name="21" href="#21">21</a>  <em class="jxr_javadoccomment"> * </em>
<a name="22" href="#22">22</a>  <em class="jxr_javadoccomment"> * Relies on command line execution of CVS command. Hence, it is necessary that a CVS client</em>
<a name="23" href="#23">23</a>  <em class="jxr_javadoccomment"> * is installed and CVS command can be executed from command line.</em>
<a name="24" href="#24">24</a>  <em class="jxr_javadoccomment"> * </em>
<a name="25" href="#25">25</a>  <em class="jxr_javadoccomment"> * Uses {@link ProcessBuilder} to build a command. The command is then executed and the output</em>
<a name="26" href="#26">26</a>  <em class="jxr_javadoccomment"> * is parsed to populate list of {@link ClassChange}.</em>
<a name="27" href="#27">27</a>  <em class="jxr_javadoccomment"> * </em>
<a name="28" href="#28">28</a>  <em class="jxr_javadoccomment"> * @author Abhijeet_Kesarkar</em>
<a name="29" href="#29">29</a>  <em class="jxr_javadoccomment"> *</em>
<a name="30" href="#30">30</a>  <em class="jxr_javadoccomment"> */</em>
<a name="31" href="#31">31</a>  <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">class</strong> <a href="../../../../../../org/apache/maven/plugin/deltacoverage/scm/CVSExecutor.html">CVSExecutor</a> <strong class="jxr_keyword">extends</strong> <a href="../../../../../../org/apache/maven/plugin/deltacoverage/scm/AbstractSCMExecutor.html">AbstractSCMExecutor</a> {
<a name="32" href="#32">32</a>  
<a name="33" href="#33">33</a>  	<strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">static</strong> <strong class="jxr_keyword">final</strong> String REPLACE_VERSION = <span class="jxr_string">"$version"</span>;
<a name="34" href="#34">34</a>  	<strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">static</strong> <strong class="jxr_keyword">final</strong> String COMMAND_DIFF = <span class="jxr_string">"DIFF"</span>;
<a name="35" href="#35">35</a>  
<a name="36" href="#36">36</a>  	<em class="jxr_javadoccomment">/**</em>
<a name="37" href="#37">37</a>  <em class="jxr_javadoccomment">	 * Constructor</em>
<a name="38" href="#38">38</a>  <em class="jxr_javadoccomment">	 * @param log logger instance</em>
<a name="39" href="#39">39</a>  <em class="jxr_javadoccomment">	 */</em>
<a name="40" href="#40">40</a>  	<strong class="jxr_keyword">public</strong> <a href="../../../../../../org/apache/maven/plugin/deltacoverage/scm/CVSExecutor.html">CVSExecutor</a>(Log log) {
<a name="41" href="#41">41</a>  		<strong class="jxr_keyword">super</strong>(log);
<a name="42" href="#42">42</a>  	}
<a name="43" href="#43">43</a>  
<a name="44" href="#44">44</a>  	@Override
<a name="45" href="#45">45</a>  	<strong class="jxr_keyword">public</strong> List&lt;ClassChange&gt; getDiff(File workingDir, String baselineVersion) <strong class="jxr_keyword">throws</strong> Exception {
<a name="46" href="#46">46</a>  		
<a name="47" href="#47">47</a>  		Map&lt;String, String&gt; replaceArgs= <strong class="jxr_keyword">new</strong> HashMap&lt;String, String&gt;();
<a name="48" href="#48">48</a>  		replaceArgs.put(REPLACE_VERSION, baselineVersion);
<a name="49" href="#49">49</a>  		ProcessBuilder builder = ProcessExecutor.getInstance().buildCommand(SCMExecutorFactory.SCM_CVS + <span class="jxr_string">"_"</span> + COMMAND_DIFF, replaceArgs, workingDir);
<a name="50" href="#50">50</a>  
<a name="51" href="#51">51</a>  		getLog().info(<span class="jxr_string">"CVS Command : "</span> + builder.command());
<a name="52" href="#52">52</a>  		Process process = builder.start();
<a name="53" href="#53">53</a>  		LineNumberReader reader = <strong class="jxr_keyword">new</strong> LineNumberReader(<strong class="jxr_keyword">new</strong> InputStreamReader(process.getInputStream()));
<a name="54" href="#54">54</a>  		
<a name="55" href="#55">55</a>  		<strong class="jxr_keyword">return</strong> parseDiffOutput(reader);
<a name="56" href="#56">56</a>  	}
<a name="57" href="#57">57</a>  
<a name="58" href="#58">58</a>  	<em class="jxr_javadoccomment">/**</em>
<a name="59" href="#59">59</a>  <em class="jxr_javadoccomment">	 * Parses the output of the diff command to return the list of changes.</em>
<a name="60" href="#60">60</a>  <em class="jxr_javadoccomment">	 * @param reader reading the output of the command executed.</em>
<a name="61" href="#61">61</a>  <em class="jxr_javadoccomment">	 * @return list of {@link ClassChange}</em>
<a name="62" href="#62">62</a>  <em class="jxr_javadoccomment">	 * @throws Exception in case of IO error</em>
<a name="63" href="#63">63</a>  <em class="jxr_javadoccomment">	 */</em>
<a name="64" href="#64">64</a>  	<strong class="jxr_keyword">private</strong> List&lt;ClassChange&gt; parseDiffOutput(LineNumberReader reader) <strong class="jxr_keyword">throws</strong> Exception{
<a name="65" href="#65">65</a>  		List&lt;ClassChange&gt; classChanges = <strong class="jxr_keyword">new</strong> ArrayList&lt;ClassChange&gt;();
<a name="66" href="#66">66</a>  		String line = <strong class="jxr_keyword">null</strong>;
<a name="67" href="#67">67</a>  		ClassChange classChange = <strong class="jxr_keyword">null</strong>;
<a name="68" href="#68">68</a>  		List&lt;LineChange&gt; lines = <strong class="jxr_keyword">null</strong>;
<a name="69" href="#69">69</a>  		<strong class="jxr_keyword">int</strong> changeIndex = 0;
<a name="70" href="#70">70</a>  		<strong class="jxr_keyword">while</strong> ((line = reader.readLine()) != <strong class="jxr_keyword">null</strong>) {
<a name="71" href="#71">71</a>  			getLog().debug(line);
<a name="72" href="#72">72</a>  			<strong class="jxr_keyword">if</strong> (isIndexLine(line)) { <em class="jxr_comment">// e.g. Index &lt;filename&gt;</em>
<a name="73" href="#73">73</a>  				classChange = getClassChange(line);
<a name="74" href="#74">74</a>  				classChanges.add(classChange);
<a name="75" href="#75">75</a>  				reader.readLine(); <em class="jxr_comment">// ignore</em>
<a name="76" href="#76">76</a>  				reader.readLine(); <em class="jxr_comment">// ignore</em>
<a name="77" href="#77">77</a>  				line = reader.readLine(); <em class="jxr_comment">// ignore</em>
<a name="78" href="#78">78</a>  				<strong class="jxr_keyword">if</strong> (!line.startsWith(<span class="jxr_string">"diff"</span>)) <em class="jxr_comment">// not new file</em>
<a name="79" href="#79">79</a>  				{
<a name="80" href="#80">80</a>  					line = reader.readLine(); <em class="jxr_comment">// ignore</em>
<a name="81" href="#81">81</a>  					<strong class="jxr_keyword">if</strong>( !line.startsWith(<span class="jxr_string">"diff"</span>)) <em class="jxr_comment">// not local modification</em>
<a name="82" href="#82">82</a>  					{
<a name="83" href="#83">83</a>  						reader.readLine(); <em class="jxr_comment">// ignore</em>
<a name="84" href="#84">84</a>  					}
<a name="85" href="#85">85</a>  				}
<a name="86" href="#86">86</a>  			} <strong class="jxr_keyword">else</strong> <strong class="jxr_keyword">if</strong> (isDiffLine(line)) { <em class="jxr_comment">// this line contains the change description like 21,28c34,37</em>
<a name="87" href="#87">87</a>  				ChangeType type = getChangeType(line);
<a name="88" href="#88">88</a>  				lines = <strong class="jxr_keyword">null</strong>;
<a name="89" href="#89">89</a>  				changeIndex = 0;
<a name="90" href="#90">90</a>  				<strong class="jxr_keyword">if</strong> (type == ChangeType.ADD || type == ChangeType.MODIFY) {
<a name="91" href="#91">91</a>  					String range = line.split(<span class="jxr_string">"[acd]"</span>)[1];
<a name="92" href="#92">92</a>  					lines = getLineChanges(range, type);
<a name="93" href="#93">93</a>  					classChange.getLines().addAll(lines);
<a name="94" href="#94">94</a>  				}
<a name="95" href="#95">95</a>  			} <strong class="jxr_keyword">else</strong> <strong class="jxr_keyword">if</strong> (isChangeLine(line) &amp;&amp; lines != <strong class="jxr_keyword">null</strong>) { <em class="jxr_comment">// this line contains the modified code (starts with &gt; )</em>
<a name="96" href="#96">96</a>  				lines.get(changeIndex++).setValue(line.substring(1));
<a name="97" href="#97">97</a>  			}
<a name="98" href="#98">98</a>  		}
<a name="99" href="#99">99</a>  		<strong class="jxr_keyword">return</strong> classChanges;
<a name="100" href="#100">100</a> 	}
<a name="101" href="#101">101</a> 
<a name="102" href="#102">102</a> 	<em class="jxr_javadoccomment">/**</em>
<a name="103" href="#103">103</a> <em class="jxr_javadoccomment">	 * Converts line range to create list of {@link LineChange} corresponding</em>
<a name="104" href="#104">104</a> <em class="jxr_javadoccomment">	 * to each line changed.</em>
<a name="105" href="#105">105</a> <em class="jxr_javadoccomment">	 * e.g. for input range as "12,16" indicating line numbers 12 to 16 (both inclusive),</em>
<a name="106" href="#106">106</a> <em class="jxr_javadoccomment">	 * returns list of five LineChange instances numbering 12 to 16. Specified ChangeType </em>
<a name="107" href="#107">107</a> <em class="jxr_javadoccomment">	 * is set in each LineChange instance.</em>
<a name="108" href="#108">108</a> <em class="jxr_javadoccomment">	 * </em>
<a name="109" href="#109">109</a> <em class="jxr_javadoccomment">	 * @param range e.g. "12,16" or simply "12"</em>
<a name="110" href="#110">110</a> <em class="jxr_javadoccomment">	 * @param type {@link ChangeType} </em>
<a name="111" href="#111">111</a> <em class="jxr_javadoccomment">	 * @return list of {@link LineChange}</em>
<a name="112" href="#112">112</a> <em class="jxr_javadoccomment">	 */</em>
<a name="113" href="#113">113</a> 	<strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">static</strong> List&lt;LineChange&gt; getLineChanges(String range, <a href="../../../../../../org/apache/maven/plugin/deltacoverage/change/ChangeType.html">ChangeType</a> type) {
<a name="114" href="#114">114</a> 		String[] ranges = range.split(<span class="jxr_string">","</span>);
<a name="115" href="#115">115</a> 		<strong class="jxr_keyword">int</strong> from = Integer.valueOf(ranges[0]);
<a name="116" href="#116">116</a> 		<strong class="jxr_keyword">int</strong> to = (ranges.length &gt; 1 ? Integer.valueOf(ranges[1]) : from);
<a name="117" href="#117">117</a> 
<a name="118" href="#118">118</a> 		List&lt;LineChange&gt; lineChanges = <strong class="jxr_keyword">new</strong> ArrayList&lt;LineChange&gt;();
<a name="119" href="#119">119</a> 		<strong class="jxr_keyword">for</strong> (<strong class="jxr_keyword">int</strong> i = from; i &lt;= to; i++) {
<a name="120" href="#120">120</a> 			LineChange change = <strong class="jxr_keyword">new</strong> <a href="../../../../../../org/apache/maven/plugin/deltacoverage/change/LineChange.html">LineChange</a>();
<a name="121" href="#121">121</a> 			change.setLineNumber(i);
<a name="122" href="#122">122</a> 			change.setType(type);
<a name="123" href="#123">123</a> 			lineChanges.add(change);
<a name="124" href="#124">124</a> 		}
<a name="125" href="#125">125</a> 		<strong class="jxr_keyword">return</strong> lineChanges;
<a name="126" href="#126">126</a> 	}
<a name="127" href="#127">127</a> 
<a name="128" href="#128">128</a> 	<em class="jxr_javadoccomment">/**</em>
<a name="129" href="#129">129</a> <em class="jxr_javadoccomment">	 * Parses the change description to return the change type.</em>
<a name="130" href="#130">130</a> <em class="jxr_javadoccomment">	 * e.g. </em>
<a name="131" href="#131">131</a> <em class="jxr_javadoccomment">	 * &lt;table&gt;</em>
<a name="132" href="#132">132</a> <em class="jxr_javadoccomment">	 * 	&lt;tr&gt;&lt;th&gt;Change description&lt;/th&gt;&lt;th&gt;Indicates&lt;/th&gt;&lt;th&gt;Returns&lt;/th&gt;&lt;/tr&gt;</em>
<a name="133" href="#133">133</a> <em class="jxr_javadoccomment">	 * 	&lt;tr&gt;&lt;td&gt;9a13,15&lt;/td&gt;&lt;td&gt;Lines 13 to 15 added after line 9&lt;/td&gt;&lt;td&gt;ChangeType.ADD&lt;/td&gt;&lt;/tr&gt;</em>
<a name="134" href="#134">134</a> <em class="jxr_javadoccomment">	 * 	&lt;tr&gt;&lt;td&gt;21,25c26&lt;/td&gt;&lt;td&gt;Line numbers 21 to 25 changed with line 26&lt;/td&gt;&lt;td&gt;ChangeType.MODIFY&lt;/td&gt;&lt;/tr&gt;</em>
<a name="135" href="#135">135</a> <em class="jxr_javadoccomment">	 * 	&lt;tr&gt;&lt;td&gt;33d0&lt;/td&gt;&lt;td&gt;Line numbers 33 deleted&lt;/td&gt;&lt;td&gt;ChangeType.DELETE&lt;/td&gt;&lt;/tr&gt;</em>
<a name="136" href="#136">136</a> <em class="jxr_javadoccomment">	 * &lt;/table&gt;</em>
<a name="137" href="#137">137</a> <em class="jxr_javadoccomment">	 * </em>
<a name="138" href="#138">138</a> <em class="jxr_javadoccomment">	 * @param changeDescription like 9a13,15</em>
<a name="139" href="#139">139</a> <em class="jxr_javadoccomment">	 * @return {@link ChangeType} indicating if the change was ADD, MODIFY or DELETE</em>
<a name="140" href="#140">140</a> <em class="jxr_javadoccomment">	 */</em>
<a name="141" href="#141">141</a> 	<strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">static</strong> <a href="../../../../../../org/apache/maven/plugin/deltacoverage/change/ChangeType.html">ChangeType</a> getChangeType(String changeDescription) {
<a name="142" href="#142">142</a> 
<a name="143" href="#143">143</a> 		<strong class="jxr_keyword">if</strong> (changeDescription.indexOf('a') != -1) {
<a name="144" href="#144">144</a> 			<strong class="jxr_keyword">return</strong> ChangeType.ADD;
<a name="145" href="#145">145</a> 		} <strong class="jxr_keyword">else</strong> <strong class="jxr_keyword">if</strong> (changeDescription.indexOf('c') != -1) {
<a name="146" href="#146">146</a> 			<strong class="jxr_keyword">return</strong> ChangeType.MODIFY;
<a name="147" href="#147">147</a> 		} <strong class="jxr_keyword">else</strong> {
<a name="148" href="#148">148</a> 			<strong class="jxr_keyword">return</strong> ChangeType.DELETE;
<a name="149" href="#149">149</a> 		}
<a name="150" href="#150">150</a> 	}
<a name="151" href="#151">151</a> 
<a name="152" href="#152">152</a> 	<em class="jxr_javadoccomment">/**</em>
<a name="153" href="#153">153</a> <em class="jxr_javadoccomment">	 * Creates a new instance of {@link ClassChange} based on current index line.</em>
<a name="154" href="#154">154</a> <em class="jxr_javadoccomment">	 * The line looks something like&lt;p&gt;</em>
<a name="155" href="#155">155</a> <em class="jxr_javadoccomment">	 * &lt;code&gt;Index: org/apache/maven/plugin/deltacoverage/DeltaCoverageMojo.java&lt;/code&gt;</em>
<a name="156" href="#156">156</a> <em class="jxr_javadoccomment">	 * Decodes file name, class name from the line and returns a new instance of &lt;code&gt;ClassChange&lt;/code&gt;</em>
<a name="157" href="#157">157</a> <em class="jxr_javadoccomment">	 * </em>
<a name="158" href="#158">158</a> <em class="jxr_javadoccomment">	 * @param line index line</em>
<a name="159" href="#159">159</a> <em class="jxr_javadoccomment">	 * @return {@link ClassChange} instance</em>
<a name="160" href="#160">160</a> <em class="jxr_javadoccomment">	 */</em>
<a name="161" href="#161">161</a> 	<strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">static</strong> <a href="../../../../../../org/apache/maven/plugin/deltacoverage/change/ClassChange.html">ClassChange</a> getClassChange(String line) {
<a name="162" href="#162">162</a> 
<a name="163" href="#163">163</a> 		ClassChange classChange = <strong class="jxr_keyword">new</strong> <a href="../../../../../../org/apache/maven/plugin/deltacoverage/change/ClassChange.html">ClassChange</a>();
<a name="164" href="#164">164</a> 		String filename = getFileNameFromIndex(line);
<a name="165" href="#165">165</a> 		classChange.setFilename(filename);
<a name="166" href="#166">166</a> 		classChange.setName(getNameFromFileName(filename));
<a name="167" href="#167">167</a> 		List&lt;LineChange&gt; lines = <strong class="jxr_keyword">new</strong> ArrayList&lt;LineChange&gt;();
<a name="168" href="#168">168</a> 		classChange.setLines(lines);
<a name="169" href="#169">169</a> 		<strong class="jxr_keyword">return</strong> classChange;
<a name="170" href="#170">170</a> 	}
<a name="171" href="#171">171</a> 
<a name="172" href="#172">172</a> 	<em class="jxr_javadoccomment">/**</em>
<a name="173" href="#173">173</a> <em class="jxr_javadoccomment">	 * Converts file name to class name.</em>
<a name="174" href="#174">174</a> <em class="jxr_javadoccomment">	 * e.g.</em>
<a name="175" href="#175">175</a> <em class="jxr_javadoccomment">	 * converts</em>
<a name="176" href="#176">176</a> <em class="jxr_javadoccomment">	 * &lt;code&gt;org/apache/maven/plugin/deltacoverage/DeltaCoverageMojo.java&lt;/code&gt;</em>
<a name="177" href="#177">177</a> <em class="jxr_javadoccomment">	 * to</em>
<a name="178" href="#178">178</a> <em class="jxr_javadoccomment">	 * &lt;code&gt;org.apache.maven.plugin.deltacoverage.DeltaCoverageMojo&lt;/code&gt;</em>
<a name="179" href="#179">179</a> <em class="jxr_javadoccomment">	 * </em>
<a name="180" href="#180">180</a> <em class="jxr_javadoccomment">	 * @param filename </em>
<a name="181" href="#181">181</a> <em class="jxr_javadoccomment">	 * @return fully qualified class name</em>
<a name="182" href="#182">182</a> <em class="jxr_javadoccomment">	 */</em>
<a name="183" href="#183">183</a> 	<strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">static</strong> String getNameFromFileName(String filename) {
<a name="184" href="#184">184</a> 
<a name="185" href="#185">185</a> 		<strong class="jxr_keyword">return</strong> filename.substring(0, filename.indexOf(<span class="jxr_string">"."</span>)).replace('/', '.');
<a name="186" href="#186">186</a> 	}
<a name="187" href="#187">187</a> 
<a name="188" href="#188">188</a> 	<em class="jxr_javadoccomment">/**</em>
<a name="189" href="#189">189</a> <em class="jxr_javadoccomment">	 * Extracts filename from index line.</em>
<a name="190" href="#190">190</a> <em class="jxr_javadoccomment">	 * e.g. </em>
<a name="191" href="#191">191</a> <em class="jxr_javadoccomment">	 * Extracts &lt;code&gt;org/apache/maven/plugin/deltacoverage/DeltaCoverageMojo.java&lt;/code&gt;</em>
<a name="192" href="#192">192</a> <em class="jxr_javadoccomment">	 * from</em>
<a name="193" href="#193">193</a> <em class="jxr_javadoccomment">	 * &lt;code&gt;Index: org/apache/maven/plugin/deltacoverage/DeltaCoverageMojo.java&lt;/code&gt;</em>
<a name="194" href="#194">194</a> <em class="jxr_javadoccomment">	 * @param indexLine</em>
<a name="195" href="#195">195</a> <em class="jxr_javadoccomment">	 * @return</em>
<a name="196" href="#196">196</a> <em class="jxr_javadoccomment">	 */</em>
<a name="197" href="#197">197</a> 	<strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">static</strong> String getFileNameFromIndex(String indexLine) {
<a name="198" href="#198">198</a> 		<strong class="jxr_keyword">return</strong> indexLine.substring(indexLine.indexOf(':') + 2);
<a name="199" href="#199">199</a> 	}
<a name="200" href="#200">200</a> 
<a name="201" href="#201">201</a> 	<em class="jxr_javadoccomment">/**</em>
<a name="202" href="#202">202</a> <em class="jxr_javadoccomment">	 * Indicates if the specified line is an index line</em>
<a name="203" href="#203">203</a> <em class="jxr_javadoccomment">	 * e.g. </em>
<a name="204" href="#204">204</a> <em class="jxr_javadoccomment">	 * &lt;code&gt;Index: org/apache/maven/plugin/deltacoverage/DeltaCoverageMojo.java&lt;/code&gt;</em>
<a name="205" href="#205">205</a> <em class="jxr_javadoccomment">	 * </em>
<a name="206" href="#206">206</a> <em class="jxr_javadoccomment">	 * @param line</em>
<a name="207" href="#207">207</a> <em class="jxr_javadoccomment">	 * @return boolean true if line is index line.</em>
<a name="208" href="#208">208</a> <em class="jxr_javadoccomment">	 */</em>
<a name="209" href="#209">209</a> 	<strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">static</strong> <strong class="jxr_keyword">boolean</strong> isIndexLine(String line) {
<a name="210" href="#210">210</a> 		<strong class="jxr_keyword">return</strong> line.startsWith(<span class="jxr_string">"Index"</span>);
<a name="211" href="#211">211</a> 	}
<a name="212" href="#212">212</a> 
<a name="213" href="#213">213</a> 	<em class="jxr_javadoccomment">/**</em>
<a name="214" href="#214">214</a> <em class="jxr_javadoccomment">	 * Indicates if the specified line is a diff line. A diff line is the one that contains</em>
<a name="215" href="#215">215</a> <em class="jxr_javadoccomment">	 * change description like "12a21,42".</em>
<a name="216" href="#216">216</a> <em class="jxr_javadoccomment">	 * Method of elimination is used. i.e. checks if it is not all other types of lines.</em>
<a name="217" href="#217">217</a> <em class="jxr_javadoccomment">	 * </em>
<a name="218" href="#218">218</a> <em class="jxr_javadoccomment">	 * @param line</em>
<a name="219" href="#219">219</a> <em class="jxr_javadoccomment">	 * @return boolean true if line is a diff line.</em>
<a name="220" href="#220">220</a> <em class="jxr_javadoccomment">	 */</em>
<a name="221" href="#221">221</a> 	<strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">static</strong> <strong class="jxr_keyword">boolean</strong> isDiffLine(String line) {
<a name="222" href="#222">222</a> 		<em class="jxr_comment">//return line.matches("[0-9,]+[acd][0-9,]+");</em>
<a name="223" href="#223">223</a> 		<strong class="jxr_keyword">return</strong> !(line.startsWith(<span class="jxr_string">"&lt;"</span>) || line.startsWith(<span class="jxr_string">"&gt;"</span>) || line.startsWith(<span class="jxr_string">"---"</span>) || line.startsWith(<span class="jxr_string">"cvs diff"</span>) || line.startsWith(<span class="jxr_string">"?"</span>) || line.startsWith(<span class="jxr_string">"&#92;&#92;"</span>));
<a name="224" href="#224">224</a> 	}
<a name="225" href="#225">225</a> 
<a name="226" href="#226">226</a> 	<em class="jxr_javadoccomment">/**</em>
<a name="227" href="#227">227</a> <em class="jxr_javadoccomment">	 * Indicates if the specified line is a change line. A change line is one that contains</em>
<a name="228" href="#228">228</a> <em class="jxr_javadoccomment">	 * the actual code change.</em>
<a name="229" href="#229">229</a> <em class="jxr_javadoccomment">	 * e.g.</em>
<a name="230" href="#230">230</a> <em class="jxr_javadoccomment">	 * &lt;pre&gt;</em>
<a name="231" href="#231">231</a> <em class="jxr_javadoccomment">	 * &lt;code&gt;&gt; // this is a changed line&lt;/code&gt;</em>
<a name="232" href="#232">232</a> <em class="jxr_javadoccomment">	 * &lt;code&gt;&gt;      x = y;&lt;/code&gt;</em>
<a name="233" href="#233">233</a> <em class="jxr_javadoccomment">	 * &lt;/pre&gt;</em>
<a name="234" href="#234">234</a> <em class="jxr_javadoccomment">	 * @param line</em>
<a name="235" href="#235">235</a> <em class="jxr_javadoccomment">	 * @return boolean true if line is a change line.</em>
<a name="236" href="#236">236</a> <em class="jxr_javadoccomment">	 */</em>
<a name="237" href="#237">237</a> 	<strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">static</strong> <strong class="jxr_keyword">boolean</strong> isChangeLine(String line) {
<a name="238" href="#238">238</a> 		<strong class="jxr_keyword">return</strong> line.startsWith(<span class="jxr_string">"&gt;"</span>);
<a name="239" href="#239">239</a> 	}
<a name="240" href="#240">240</a> 
<a name="241" href="#241">241</a> }
</pre>
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